HP 33S Owner's Manual

D–4 More about Solving
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
h
X
)
2
Ã
6
¸ h
X
Ù
8
Ï



º Î


Checksum and length.
Å

Cancels Equation mode.
Now, solve the equation to find the root:
Keys: Display: Description:
0
e
X 10

_ Initial guesses for the
root.
º d

Selects Equation mode;
displays the left end of
the equation.
Û
X



Solves for X; displays the
result.
<

Final two estimates are
the same to four decimal
places.
<



f(x) is very small, so the
approximation is a
g
ood
root.
Example: An Equation with Two Roots.
Find the two roots of the parabolic equation:
x
2
+ x – 6 = 0.
Enter the equation as an expression:
Keys: Display: Description:
º d

Selects Equation mode.
h
X
)
2
Ù
h
X
Ã
6
Ï


Enters the equation.
º Î


Checksum and length.
Å

Cancels Equation mode.



HP 33S Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Silver
Digits	10 digits
Display number of lines	2 lines
Keyboard type	Alphanumeric
Menus and prompts	Yes

Weight and Dimensions

Dimensions (WxDxH)	157 x 16 x 81 mm